6609657397248 has 800 divisors, whose sum is σ = 21120548644800. Its totient is φ = 2055418675200.

The previous prime is 6609657397247. The next prime is 6609657397297. The reversal of 6609657397248 is 8427937569066.

6609657397248 is a `hidden beast` number, since 6 + 6 + 0 + 9 + 6 + 573 + 9 + 7 + 2 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6609657397247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65442152398 + ... + 65442152498.

It is an arithmetic number, because the mean of its divisors is an integer number (26400685806).

Almost surely, 2^{6609657397248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6609657397248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10560274322400).

6609657397248 is an abundant number, since it is smaller than the sum of its proper divisors (14510891247552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6609657397248 is an frugal number, since it uses more digits than its factorization.

6609657397248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 6609657397248 in words is "six trillion, six hundred nine billion, six hundred fifty-seven million, three hundred ninety-seven thousand, two hundred forty-eight".